How do we take off the black front bumper from our wrangler unlimited to pound out a dent.?

The bumper seems to be connected in the center with a nut that can't be accessed.|||t-55 torx 4 on top, and 2 on bottom of frame rails.|||most of them have a few bolts you can get off with a torch wrench and a rare few of them have some clamp type clips you have to use plyers for, i have even seen some that needed a star bit|||look behind the bumper for about 4 large bolts... maybe less bolts or maybe more bolts.